microsecond
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/ˈmaɪkrəʊsekənd/
🇬🇧
/ˈmaɪkrəʊsekənd/
A very, very short amount of time – just one millionth of a second.
The speed of light is so fast that it travels 186,282 miles in just a microsecond.
光速非常快,以至于它在短短的一微秒內就旅行了186,282英里。